NZR S class

NZR S class
S class 0-6-4 steam locomotive, NZR number 213. Godber Collection, Alexander Turnbull Library.
Type and origin
Power typeSteam
BuilderAvonside Engine Co., England
Build date1880-1881
Specifications
Configuration:
​
 • Whyte0-6-4T
Gauge3 ft 6 in (1,067 mm)
Driver dia.36.5 in (0.927 m)
Adhesive weight23 long tons (23 t; 26 short tons)
Loco weight37.5 long tons (38.1 t; 42.0 short tons)
Firebox:​
 • Grate area14 sq ft (1.3 m2)
Boiler pressure160 psi (1,103 kPa)
Heating surface664 sq ft (61.7 m2)
CylindersTwo, outside
Cylinder size13 in × 16 in (330 mm × 406 mm)
Performance figures
Tractive effort9,480 lbf (42.17 kN)
Career
OperatorsNew Zealand Railways Department
Number in class7

The NZR S class (later WAGR I class) was a class of seven 0-6-4T single Fairlie steam locomotives operated by New Zealand's Railways Department (NZR) between 1882 and 1927.

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